let season=1
switch(season){
    case 1: 
        console.log('春天是个百花齐放的季节');
        break
    case 2: 
        console.log('夏天是个炎热难耐的季节');
        break;
    case 3:
        console.log('秋天是个秋高气爽的季节');
        break; 
    case 4:
        console.log('冬天是个白雪皑皑的季节');
        break
    default:
        console.log('输入季节代号有误');
        
      
        
}
